Mario Ferko
Halton Catholic District School Board/Teacher, Secondary
2023 Salary — last year on the list
$100,416Total compensation $100,416, including $0 in taxable benefits.
Source: Ontario’s Public Sector Salary Disclosure — names paid $100,000 or more that year. How we build this · Report an error on this page
At a Glance
2023
Employer Rank
#1,254Halton Catholic District School Board
Years on List
92015–2023
Peak Salary
$111,1562021
Full 2023 roster at Halton Catholic District School Board →·See where $100,416 ranks →
Total Compensation History
Full History
2015–2023
$103,247 in 2015 is worth about $133,911 in 2025 dollars.
| Year | Position | Salary |
|---|---|---|
| 2023 | Teacher, SecondaryHalton Catholic District School Board | $100,416Benefits $0Total $100,416 |
| 2022 | Teacher, SecondaryHalton Catholic District School Board | $103,381Benefits $0Total $103,381 |
| 2021 | Teacher, SecondaryHalton Catholic District School Board | $111,156Benefits $0Total $111,156 |
| 2020 | Teacher, SecondaryHalton Catholic District School Board | $108,233Benefits $0Total $108,233 |
| 2019 | Teacher, SecondaryHalton Catholic District School Board | $108,100Benefits $0Total $108,100 |
| 2018 | Teacher, SecondaryHalton Catholic District School Board | $106,287Benefits $0Total $106,287 |
| 2017 | Secondary TeacherHalton Catholic District School Board | $105,287Benefits $7Total $105,295 |
| 2016 | Secondary TeacherHalton Catholic District School Board | $104,108Benefits $79Total $104,187 |
| 2015 | Secondary Department HeadHalton Catholic District School Board | $103,247Benefits $83Total $103,330 |
Take-Home Pay
(After Tax) · 2023 estimate
Mario Ferko was paid $100,416 in 2023; after income tax, CPP and EI that is roughly $73,929, an effective income-tax rate of about 21.6%. For comparison, the median Secondary Teacher on the 2023 list was paid $103,065; this salary is about 3% less. Pension contributions — likely OTPP for teachers or OMERS in the School Boards sector — would typically trim another 7–10% off that figure.
- Estimated net pay
- ~$73,929
- Effective income-tax rate (excl. CPP/EI)
- ~21.6%
- CPP + EI contributions
- ~$4,756
- All-in deduction rate (incl. CPP/EI)
- ~26.4%
- vs. 2023 Secondary Teacher median
- −3%
Where does $100,416 rank on the Sunshine List? →
Estimate only: 2023 federal and Ontario rates, basic personal amounts, Canada employment amount and CPP/EI credits; single, employment income only, salary treated as full-year income. Ignores pension contributions (OMERS, HOOPP, OTPP, OPTrust and similar plans lower actual take-home), union dues, RRSPs and benefits.